waster
/ˈweɪstə(r)/noun
1- a wasteful person or thing浪费者; 废物：
you are a great waster of time.
你浪费很多时间。
1.1
- informal a person who does little or nothing of value〈非正式〉浪子, 无用之人, 饭桶。
1.2
- a discarded piece of defective pottery陶器废品。